This fish is commonly known as "sand crawler", and its scientific name is sand snakehead. It is a fish of the family Snakehead family. The adult fish is 10-15 cm long and the longest is no more than 20 cm. The second-year-old fish can lay eggs and belongs to the bottom. It is a small carnivorous fish that likes to make nests, forage and lay eggs on the sandy and rocky bottom, so it is named sand crawler based on its characteristics. The head of the sand crawler is as big as a snakehead, and its body color is similar to the color of the bottom of the water. It has black markings on the top and changes its body color according to its place of residence and changes. It is a protective color.
The mouth of the sand crawler is small and similar in shape to the mouth of a carp. It can dig through the sand to find food such as microorganisms and nematodes living inside. Because its mouth is small when crawling in the sand, it likes to forage for earthworms, red worms, maggots, larvae and aquatic soft-bodied insects. It is a typical carnivorous fish. /view/103928.htm#sub103928